Footwear upper



FIG. 1 is a top plan view of a preferred embodiment of a footwear upper showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a right side elevational view thereof.

The broken line showing the upper in the figures is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a footwear upper, as shown and described. 